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CVE-2011-2702

37
FAUCET Score

CVE-2011-2702 describes an integer signedness error in Glibc and eglibc versions prior to 2.13, specifically when using SSSE3 optimization. This flaw allows attackers to execute arbitrary code by providing a negative length parameter to certain memcpy or memset functions, leading to an out-of-bounds read. With a CVSS score of 6.8, this vulnerability has a network attack vector, medium attack complexity, and potential for partial impact on confidentiality, integrity, and availability. While not actively exploited in the wild (not on KEV), an exploit for eGlibc is available on ExploitDB, though there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.12.2CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
2.12CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.12:*:*:*:*:*:*:*
2.12.1CPE matchmatch criteria
cpe:2.3:a:gnu:glibc:2.12.1:*:*:*:*:*:*:*
<= 2.12CPE matchmatch criteria
cpe:2.3:a:gnu:eglibc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.46%
Probability of exploitation in next 30 days
EPSS Percentile
94.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-20167 · Aug 1, 2012
This CVE's current EPSS score of 0.0846 is in the 94th percentile among its peer group of 19,953 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2011-2702

CVE-2011-2702

References

bugzilla.novell.com / show_bug.cgi
seclists.org / oss-sec/2011/q3/123
seclists.org / oss-sec/2011/q3/153
sourceware.org / git
eglibc.org / cgi-bin/viewvc.cgi/trunk/libc/ChangeLog
nodefense.org / eglibc.txt
osvdb.org / 80718
xorl.wordpress.com / 2011/08/06/cve-2011-2702-eglibc-and-glibc-signedness-issue
Exploit